MySQL Cluster Members Test

This test monitors the current status of each node in the target MySQL cluster and also reports whether/not the node is a primary node. Using this test, administrators can proactively figure out error-prone nodes, nodes that are unreachable and nodes that are removed/missing and take corrective actions for those nodes to be available.

Target of the test : A MySQL Cluster

Agent deploying the test : A remote agent

Outputs of the test : One set of results for each node on the target MySQL Cluster database server being monitored

Configurable parameters for the test
Parameter Description

Test Period

How often should the test be executed.

Host

The host for which the test is to be configured.

Port

The port at which the specified host listens.

Database

Specify the name of a database on the target MySQL Cluster database server being monitored

Username and Password

The eG agent has to be configured with the credentials of a user who has server-wide Process and Select privileges on the monitored MySQL Cluster database server. To know how to create such a user, refer to Pre-requisites for Monitoring the MySQL Cluster Database Server topic.

Confirm Password

Confirm the password by retyping it here.

Measurements made by the test
Measurement Description Measurement Unit Interpretation

Status

Indicates the current status of this node.

 

The values reported by this measure and their numeric equivalents are available in the table below:

Measure Value

Numeric Value

UNREACHABLE 0
ERROR 1
OFFLINE 2
RECOVERING 3
ONLINE 4
MISSING OR REMOVED 5

Note:

This measure reports the Measure Values listed in the table above to indicate whether/not the target cluster is running. However, in the graph, this measure is indicated using the Numeric Values listed in the table above.

Is primary?

Indicates whether/not this node is a primary node.

 

The values reported by this measure and their numeric equivalents are available in the table below:

Measure Value

Numeric Value

No 0
Yes 1

Note:

This measure reports the Measure Values listed in the table above to indicate whether/not the node is a primary node. However, in the graph, this measure is indicated using the Numeric Values listed in the table above.